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Home :FAQAcids and bases:
Home :FAQAcids and bases:Frequently asked questions
Basic concepts and definitions
Why are acids called proton donors?
Why can't hydrogen ions exist by themselves?
How is [H+] found from pH?
Is a negative pH possible?
How can you tell if a compound is an acid?
What is pH?
Buffer solutions
What is the buffer system in buffered aspirin?
Which species in a NH4Cl/NH3 buffer reacts with acid?
How do I prepare a phosphate buffer solution with a specific
pH?
Calculating pH
How does hydrolysis enter into pH calculations?
How do I calculate the pH for a strong acid solution after dilution?
Equilibrium constants
How is pKa related to pKb?
Where can I find pKa's on the Web?
Indicators
What indicators change from clear to colored?
What household substances can be used as acid/base indicators?
What is methyl orange? How is it made?
What are some natural acid/base indicators?
What are some novel ways to use indicators (besides titrations)?
What is a universal indicator?
Are all acid/base indicators water-based?
Neutralization reactions
Which reacts more vigorously with limestone: glacial acetic acid or 5% acetic acid?
How can copper sulfate be made by a neutralization reaction?
What are the products of the reaction between limestone and acidic water?
Is any toxic gas produced when acetic acid and limestone react?
Strong and weak acids and bases
Is ammonia a weak base?
Which has the highest pH: 0.1 M NaC2H3O2, 0.1 M NaCl, or 0.1 M NaNO3?
How can strong and weak acids be distinguished using indicators?
Is the salt of a weak acid and a weak base considered a weak acid or a weak base?
Can you classify acids as strong or weak from their formulas alone?
Titrations
How can I adjust the pH of an HNO3 solution by adding KOH?
How can I compare the neutralizing capabilities of antacids?
What is the pH at the equivalence point an HF/NaOH titration?
How do I compute the pH at the equivalence point in the titration of acetic acid with NaOH?
Can I determine the pKa's for oxalic acid from a titration curve?
How is the the pKa of acetic acid found in this experiment?
Why should temperature be specified when doing weak acid pH calculations?
Can I determine the pKa's for oxalic acid from a titration curve
